fc25a3339a
Use for stlink. Uses dma with large buffer. Pull up swo to provide idle level on unconnected swo pin.
150 lines
4.6 KiB
C
150 lines
4.6 KiB
C
/*
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* This file is part of the Black Magic Debug project.
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*
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* Copyright (C) 2011 Black Sphere Technologies Ltd.
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* Written by Gareth McMullin <gareth@blacksphere.co.nz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* This file implements the platform specific functions for the STM32
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* implementation.
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*/
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#ifndef __PLATFORM_H
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#define __PLATFORM_H
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#include "gpio.h"
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#include "timing.h"
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#include "timing_stm32.h"
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#include "version.h"
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#include <libopencm3/cm3/common.h>
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#include <libopencm3/stm32/f1/memorymap.h>
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#include <libopencm3/usb/usbd.h>
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#ifdef ENABLE_DEBUG
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# define PLATFORM_HAS_DEBUG
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# define USBUART_DEBUG
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#endif
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#define BOARD_IDENT "Black Magic Probe (STLINK), (Firmware " FIRMWARE_VERSION ")"
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#define BOARD_IDENT_DFU "Black Magic (Upgrade) for STLink/Discovery, (Firmware " FIRMWARE_VERSION ")"
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#define BOARD_IDENT_UPD "Black Magic (DFU Upgrade) for STLink/Discovery, (Firmware " FIRMWARE_VERSION ")"
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#define DFU_IDENT "Black Magic Firmware Upgrade (STLINK)"
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#define UPD_IFACE_STRING "@Internal Flash /0x08000000/8*001Kg"
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/* Hardware definitions... */
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#define TDI_PORT GPIOA
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#define TMS_PORT GPIOB
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#define TCK_PORT GPIOA
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#define TDO_PORT GPIOA
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#define TDI_PIN GPIO7
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#define TMS_PIN GPIO14
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#define TCK_PIN GPIO5
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#define TDO_PIN GPIO6
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#define SWDIO_PORT TMS_PORT
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#define SWCLK_PORT TCK_PORT
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#define SWDIO_PIN TMS_PIN
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#define SWCLK_PIN TCK_PIN
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#define SRST_PORT GPIOB
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#define SRST_PIN_V1 GPIO1
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#define SRST_PIN_V2 GPIO0
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#define LED_PORT GPIOA
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/* Use PC14 for a "dummy" uart led. So we can observere at least with scope*/
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#define LED_PORT_UART GPIOC
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#define LED_UART GPIO14
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#define PLATFORM_HAS_TRACESWO 1
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#define NUM_TRACE_PACKETS (192) /* This is an 12K buffer */
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#define TMS_SET_MODE() \
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gpio_set_mode(TMS_PORT, GPIO_MODE_OUTPUT_50_MHZ, \
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GPIO_CNF_OUTPUT_PUSHPULL, TMS_PIN);
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#define SWDIO_MODE_FLOAT() \
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gpio_set_mode(SWDIO_PORT, GPIO_MODE_INPUT, \
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GPIO_CNF_INPUT_FLOAT, SWDIO_PIN);
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#define SWDIO_MODE_DRIVE() \
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gpio_set_mode(SWDIO_PORT, GPIO_MODE_OUTPUT_50_MHZ, \
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GPIO_CNF_OUTPUT_PUSHPULL, SWDIO_PIN);
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#define UART_PIN_SETUP() \
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gpio_set_mode(USBUSART_PORT, GPIO_MODE_OUTPUT_2_MHZ, \
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GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, USBUSART_TX_PIN);
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#define USB_DRIVER st_usbfs_v1_usb_driver
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#define USB_IRQ NVIC_USB_LP_CAN_RX0_IRQ
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#define USB_ISR usb_lp_can_rx0_isr
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/* Interrupt priorities. Low numbers are high priority.
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* For now USART2 preempts USB which may spin while buffer is drained.
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*/
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#define IRQ_PRI_USB (2 << 4)
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#define IRQ_PRI_USBUSART (1 << 4)
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#define IRQ_PRI_USBUSART_TIM (3 << 4)
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#define IRQ_PRI_USB_VBUS (14 << 4)
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#define IRQ_PRI_SWO_DMA (1 << 4)
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#define USBUSART USART2
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#define USBUSART_CR1 USART2_CR1
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#define USBUSART_IRQ NVIC_USART2_IRQ
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#define USBUSART_CLK RCC_USART2
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#define USBUSART_PORT GPIOA
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#define USBUSART_TX_PIN GPIO2
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#define USBUSART_ISR usart2_isr
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#define USBUSART_TIM TIM4
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#define USBUSART_TIM_CLK_EN() rcc_periph_clock_enable(RCC_TIM4)
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#define USBUSART_TIM_IRQ NVIC_TIM4_IRQ
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#define USBUSART_TIM_ISR tim4_isr
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#ifdef ENABLE_DEBUG
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extern bool debug_bmp;
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int usbuart_debug_write(const char *buf, size_t len);
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# define DEBUG printf
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#else
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# define DEBUG(...)
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#endif
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/* On F103, only USART1 is on AHB2 and can reach 4.5 MBaud at 72 MHz.*/
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#define SWO_UART USART1
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#define SWO_UART_DR USART1_DR
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#define SWO_UART_CLK RCC_USART1
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#define SWO_UART_PORT GPIOA
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#define SWO_UART_RX_PIN GPIO10
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/* This DMA channel is set by the USART in use */
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#define SWO_DMA_BUS DMA1
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#define SWO_DMA_CLK RCC_DMA1
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#define SWO_DMA_CHAN DMA_CHANNEL5
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#define SWO_DMA_IRQ NVIC_DMA1_CHANNEL5_IRQ
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#define SWO_DMA_ISR(x) dma1_channel5_isr(x)
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extern uint16_t led_idle_run;
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#define LED_IDLE_RUN led_idle_run
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#define SET_RUN_STATE(state) {running_status = (state);}
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#define SET_IDLE_STATE(state) {gpio_set_val(LED_PORT, led_idle_run, state);}
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#define SET_ERROR_STATE(x)
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extern uint32_t detect_rev(void);
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/* Use newlib provided integer only stdio functions */
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#define sscanf siscanf
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#define sprintf siprintf
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#define vasprintf vasiprintf
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#define snprintf sniprintf
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#endif
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